HTTP response splitting in Metinfo - CVE-2018-19836
Published: December 3, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36347
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-19836
CWE-ID: CWE-113
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Metinfo
Affected software:
Metinfo
Metinfo
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
In Metinfo 6.1.3, include/interface/applogin.php allows setting arbitrary HTTP headers (including the Cookie header), and common.inc.php allows registering variables from the $_COOKIE value. This issue can, for example, be exploited in conjunction with CVE-2018-19835 to bypass many XSS filters such as the Chrome XSS filter.
How to mitigate CVE-2018-19836
Install update from vendor's website.